Eclipse Public License 2.0

WeakUsed by: Eclipse Platform, WTP

Description

A copyleft license requiring modified versions of the software to be shared under the same license but allowing linking with proprietary code.

Key Features

  • Project-level copyleft
  • Patent grants
  • Clear contribution terms
  • Commercial friendliness

History & Context

Created by Eclipse Foundation in 2004, updated in 2019. Designed for commercial open source projects.

Compatibility

LicenseCompatibility
With gplGPL-3.0 can incorporate EPL-2.0 code
With mitEPL-2.0 can incorporate MIT-licensed code
With bsdEPL-2.0 can incorporate BSD-licensed code
With proprietaryYes (with restrictions)

License Details

Copyleft Strength

Weak

Legal Enforceability

Moderate court precedent

Notable Projects

Eclipse PlatformWTP

License Provisions

AttributionRequired
Source codeModified files only
Modification clauseMust share changes to original files
WarrantyDisclaimer included